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Portable Battery Coolant/Glycol Refractometer with ATC (&#176;F). Measures the freezing point of coolants and concentration of Ethylene/Propylene Glycol.<br><br>

Extech RF40 Portable Battery Coolant/Glycol Refractometer W/ATC (&#176;F), Case Included

rf40-portable-battery-coolantglycol-refractometer-watc-and176f-case-included

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